C373 The Secret of the Ten Thousand Demons

Here comes the question, then. The Black Mountain in front of him was only a Third Grade King Grade. If the Myriad Demon King was only a First Class of King Grade, Lin Xiu wouldn't believe it.

Without absolute strength, the Myriad Demon King wouldn't be able to maintain his position.

The Myriad Demon King was definitely a Sovereign Grade, or even a part of the stronger Sovereign Grade